Links: Authoring resources

Browser statistics – see how the (tech-savvy) world views your website...

browsershots.org – Browser appearance
w3schools.com/browsers/browsers_stats.asp – Most popular browsers
w3schools.com/browsers/browsers_display.asp – Screen sizes

Javascript & PHP

stackoverflow.com
PHP tricks and tips for new developers
jquery.com

Regular Expressions

Regular Expressions Cheat Sheet by DaveChild
regular-expressions.info
regexlib.com

Video & DVD Authoring

creativecow.net – Great professional forum

Other Goodies

tigers on Wikipedia – essential facts about the world's third largest land carnivore
wired.co.uk – excellent tech magazine, not afraid of controversy, more hits than misses
cnet.co.uk – reliable tech reviews
phys.org – keep up-to-date with the bleeding edge of science and technology